./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem10_label07.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem10_label07.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1604fff8c37e815a1951aa4b9b7ab6405ba084cc13d6cad3477e1ac67980b1be --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-20 23:38:03,959 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 23:38:03,961 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 23:38:03,998 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 23:38:03,998 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 23:38:03,999 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 23:38:04,003 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 23:38:04,006 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 23:38:04,008 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 23:38:04,013 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 23:38:04,014 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 23:38:04,016 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 23:38:04,016 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 23:38:04,019 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 23:38:04,020 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 23:38:04,024 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 23:38:04,027 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 23:38:04,028 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 23:38:04,030 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 23:38:04,032 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 23:38:04,036 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 23:38:04,037 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 23:38:04,038 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 23:38:04,040 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 23:38:04,040 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 23:38:04,043 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 23:38:04,044 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 23:38:04,045 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 23:38:04,046 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 23:38:04,046 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 23:38:04,047 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 23:38:04,047 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 23:38:04,048 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 23:38:04,049 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 23:38:04,050 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 23:38:04,051 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 23:38:04,051 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 23:38:04,052 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 23:38:04,052 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 23:38:04,052 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 23:38:04,053 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 23:38:04,054 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 23:38:04,055 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-20 23:38:04,094 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 23:38:04,095 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 23:38:04,095 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 23:38:04,096 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 23:38:04,096 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 23:38:04,096 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 23:38:04,097 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 23:38:04,097 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 23:38:04,097 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 23:38:04,098 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 23:38:04,098 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-20 23:38:04,099 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 23:38:04,099 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-20 23:38:04,099 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 23:38:04,099 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 23:38:04,099 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 23:38:04,100 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 23:38:04,100 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-20 23:38:04,100 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 23:38:04,100 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 23:38:04,100 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 23:38:04,101 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 23:38:04,101 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 23:38:04,101 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 23:38:04,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 23:38:04,101 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 23:38:04,102 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 23:38:04,102 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 23:38:04,102 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 23:38:04,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 23:38:04,102 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 23:38:04,103 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 23:38:04,103 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 23:38:04,103 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1604fff8c37e815a1951aa4b9b7ab6405ba084cc13d6cad3477e1ac67980b1be [2022-07-20 23:38:04,417 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 23:38:04,436 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 23:38:04,438 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 23:38:04,439 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 23:38:04,440 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 23:38:04,441 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem10_label07.c [2022-07-20 23:38:04,498 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0711f7848/4998565a03404c569a1dc6a358681fcc/FLAG42781dc03 [2022-07-20 23:38:04,979 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 23:38:04,980 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label07.c [2022-07-20 23:38:05,003 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0711f7848/4998565a03404c569a1dc6a358681fcc/FLAG42781dc03 [2022-07-20 23:38:05,518 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0711f7848/4998565a03404c569a1dc6a358681fcc [2022-07-20 23:38:05,520 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 23:38:05,521 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 23:38:05,522 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 23:38:05,522 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 23:38:05,525 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 23:38:05,526 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 11:38:05" (1/1) ... [2022-07-20 23:38:05,527 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63e6534b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:38:05, skipping insertion in model container [2022-07-20 23:38:05,527 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 11:38:05" (1/1) ... [2022-07-20 23:38:05,532 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 23:38:05,566 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 23:38:05,772 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label07.c[5227,5240] [2022-07-20 23:38:05,891 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 23:38:05,897 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 23:38:05,929 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label07.c[5227,5240] [2022-07-20 23:38:06,021 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 23:38:06,032 INFO L208 MainTranslator]: Completed translation [2022-07-20 23:38:06,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:38:06 WrapperNode [2022-07-20 23:38:06,033 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 23:38:06,034 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 23:38:06,034 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 23:38:06,035 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 23:38:06,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:38:06" (1/1) ... [2022-07-20 23:38:06,054 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:38:06" (1/1) ... [2022-07-20 23:38:06,096 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2022-07-20 23:38:06,096 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 23:38:06,097 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 23:38:06,097 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 23:38:06,098 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 23:38:06,104 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:38:06" (1/1) ... [2022-07-20 23:38:06,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:38:06" (1/1) ... [2022-07-20 23:38:06,120 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:38:06" (1/1) ... [2022-07-20 23:38:06,120 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:38:06" (1/1) ... [2022-07-20 23:38:06,151 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:38:06" (1/1) ... [2022-07-20 23:38:06,162 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:38:06" (1/1) ... [2022-07-20 23:38:06,170 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:38:06" (1/1) ... [2022-07-20 23:38:06,175 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 23:38:06,184 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 23:38:06,184 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 23:38:06,184 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 23:38:06,185 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:38:06" (1/1) ... [2022-07-20 23:38:06,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 23:38:06,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 23:38:06,211 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-20 23:38:06,247 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-20 23:38:06,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 23:38:06,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-20 23:38:06,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 23:38:06,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 23:38:06,337 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 23:38:06,338 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 23:38:07,302 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 23:38:07,311 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 23:38:07,311 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-20 23:38:07,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 11:38:07 BoogieIcfgContainer [2022-07-20 23:38:07,313 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 23:38:07,314 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 23:38:07,314 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 23:38:07,316 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 23:38:07,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 11:38:05" (1/3) ... [2022-07-20 23:38:07,323 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3eb77e0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 11:38:07, skipping insertion in model container [2022-07-20 23:38:07,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:38:06" (2/3) ... [2022-07-20 23:38:07,324 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3eb77e0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 11:38:07, skipping insertion in model container [2022-07-20 23:38:07,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 11:38:07" (3/3) ... [2022-07-20 23:38:07,325 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label07.c [2022-07-20 23:38:07,336 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 23:38:07,336 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 23:38:07,377 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 23:38:07,382 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4b31f623, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@456fe887 [2022-07-20 23:38:07,383 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 23:38:07,387 INFO L276 IsEmpty]: Start isEmpty. Operand has 206 states, 204 states have (on average 1.6862745098039216) internal successors, (344), 205 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:07,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-07-20 23:38:07,395 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:38:07,395 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:38:07,396 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:38:07,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:38:07,401 INFO L85 PathProgramCache]: Analyzing trace with hash -2068820151, now seen corresponding path program 1 times [2022-07-20 23:38:07,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:38:07,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112505778] [2022-07-20 23:38:07,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:38:07,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:38:07,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:38:07,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 23:38:07,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:38:07,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112505778] [2022-07-20 23:38:07,663 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112505778] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:38:07,663 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:38:07,663 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-20 23:38:07,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438010816] [2022-07-20 23:38:07,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:38:07,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:38:07,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:38:07,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:38:07,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:38:07,701 INFO L87 Difference]: Start difference. First operand has 206 states, 204 states have (on average 1.6862745098039216) internal successors, (344), 205 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 2 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:08,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:38:08,407 INFO L93 Difference]: Finished difference Result 552 states and 966 transitions. [2022-07-20 23:38:08,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:38:08,409 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 2 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2022-07-20 23:38:08,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:38:08,418 INFO L225 Difference]: With dead ends: 552 [2022-07-20 23:38:08,419 INFO L226 Difference]: Without dead ends: 282 [2022-07-20 23:38:08,421 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:38:08,424 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 143 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-20 23:38:08,425 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 76 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-20 23:38:08,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2022-07-20 23:38:08,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2022-07-20 23:38:08,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 281 states have (on average 1.5373665480427046) internal successors, (432), 281 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:08,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 432 transitions. [2022-07-20 23:38:08,478 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 432 transitions. Word has length 45 [2022-07-20 23:38:08,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:38:08,479 INFO L495 AbstractCegarLoop]: Abstraction has 282 states and 432 transitions. [2022-07-20 23:38:08,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 2 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:08,480 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 432 transitions. [2022-07-20 23:38:08,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-07-20 23:38:08,486 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:38:08,487 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:38:08,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-20 23:38:08,487 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:38:08,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:38:08,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1594520031, now seen corresponding path program 1 times [2022-07-20 23:38:08,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:38:08,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527997194] [2022-07-20 23:38:08,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:38:08,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:38:08,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:38:08,671 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 23:38:08,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:38:08,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527997194] [2022-07-20 23:38:08,672 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527997194] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:38:08,672 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:38:08,673 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-20 23:38:08,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138377942] [2022-07-20 23:38:08,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:38:08,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:38:08,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:38:08,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:38:08,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:38:08,676 INFO L87 Difference]: Start difference. First operand 282 states and 432 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 2 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:09,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:38:09,110 INFO L93 Difference]: Finished difference Result 701 states and 1076 transitions. [2022-07-20 23:38:09,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:38:09,111 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 2 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-07-20 23:38:09,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:38:09,114 INFO L225 Difference]: With dead ends: 701 [2022-07-20 23:38:09,114 INFO L226 Difference]: Without dead ends: 421 [2022-07-20 23:38:09,115 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:38:09,116 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 73 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-20 23:38:09,117 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 52 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-20 23:38:09,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2022-07-20 23:38:09,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2022-07-20 23:38:09,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 420 states have (on average 1.4428571428571428) internal successors, (606), 420 states have internal predecessors, (606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:09,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 606 transitions. [2022-07-20 23:38:09,141 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 606 transitions. Word has length 114 [2022-07-20 23:38:09,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:38:09,143 INFO L495 AbstractCegarLoop]: Abstraction has 421 states and 606 transitions. [2022-07-20 23:38:09,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 2 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:09,144 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 606 transitions. [2022-07-20 23:38:09,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-07-20 23:38:09,147 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:38:09,147 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:38:09,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-20 23:38:09,148 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:38:09,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:38:09,150 INFO L85 PathProgramCache]: Analyzing trace with hash -335852144, now seen corresponding path program 1 times [2022-07-20 23:38:09,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:38:09,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080425750] [2022-07-20 23:38:09,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:38:09,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:38:09,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:38:09,267 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 23:38:09,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:38:09,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080425750] [2022-07-20 23:38:09,268 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080425750] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:38:09,268 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:38:09,269 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 23:38:09,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859243654] [2022-07-20 23:38:09,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:38:09,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:38:09,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:38:09,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:38:09,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:38:09,271 INFO L87 Difference]: Start difference. First operand 421 states and 606 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:09,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:38:09,699 INFO L93 Difference]: Finished difference Result 562 states and 822 transitions. [2022-07-20 23:38:09,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:38:09,700 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2022-07-20 23:38:09,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:38:09,702 INFO L225 Difference]: With dead ends: 562 [2022-07-20 23:38:09,702 INFO L226 Difference]: Without dead ends: 560 [2022-07-20 23:38:09,703 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:38:09,704 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 139 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-20 23:38:09,706 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 11 Invalid, 449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-20 23:38:09,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2022-07-20 23:38:09,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 421. [2022-07-20 23:38:09,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 420 states have (on average 1.4428571428571428) internal successors, (606), 420 states have internal predecessors, (606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:09,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 606 transitions. [2022-07-20 23:38:09,729 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 606 transitions. Word has length 120 [2022-07-20 23:38:09,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:38:09,730 INFO L495 AbstractCegarLoop]: Abstraction has 421 states and 606 transitions. [2022-07-20 23:38:09,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:09,730 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 606 transitions. [2022-07-20 23:38:09,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-07-20 23:38:09,732 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:38:09,732 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:38:09,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-20 23:38:09,733 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:38:09,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:38:09,733 INFO L85 PathProgramCache]: Analyzing trace with hash -1816703166, now seen corresponding path program 1 times [2022-07-20 23:38:09,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:38:09,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218976293] [2022-07-20 23:38:09,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:38:09,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:38:09,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:38:09,808 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 23:38:09,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:38:09,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218976293] [2022-07-20 23:38:09,809 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218976293] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:38:09,809 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:38:09,809 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-20 23:38:09,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135537891] [2022-07-20 23:38:09,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:38:09,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:38:09,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:38:09,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:38:09,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:38:09,811 INFO L87 Difference]: Start difference. First operand 421 states and 606 transitions. Second operand has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 2 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:10,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:38:10,244 INFO L93 Difference]: Finished difference Result 1118 states and 1639 transitions. [2022-07-20 23:38:10,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:38:10,244 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 2 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2022-07-20 23:38:10,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:38:10,247 INFO L225 Difference]: With dead ends: 1118 [2022-07-20 23:38:10,248 INFO L226 Difference]: Without dead ends: 699 [2022-07-20 23:38:10,248 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:38:10,249 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 51 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-20 23:38:10,250 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 77 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 363 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-20 23:38:10,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2022-07-20 23:38:10,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 560. [2022-07-20 23:38:10,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 560 states, 559 states have (on average 1.3237924865831843) internal successors, (740), 559 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:10,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 740 transitions. [2022-07-20 23:38:10,267 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 740 transitions. Word has length 139 [2022-07-20 23:38:10,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:38:10,268 INFO L495 AbstractCegarLoop]: Abstraction has 560 states and 740 transitions. [2022-07-20 23:38:10,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 2 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:10,269 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 740 transitions. [2022-07-20 23:38:10,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-07-20 23:38:10,270 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:38:10,270 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:38:10,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-20 23:38:10,271 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:38:10,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:38:10,272 INFO L85 PathProgramCache]: Analyzing trace with hash -1044206210, now seen corresponding path program 1 times [2022-07-20 23:38:10,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:38:10,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799634175] [2022-07-20 23:38:10,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:38:10,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:38:10,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:38:10,375 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 23:38:10,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:38:10,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799634175] [2022-07-20 23:38:10,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799634175] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:38:10,376 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:38:10,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 23:38:10,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665304667] [2022-07-20 23:38:10,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:38:10,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 23:38:10,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:38:10,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 23:38:10,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 23:38:10,379 INFO L87 Difference]: Start difference. First operand 560 states and 740 transitions. Second operand has 4 states, 4 states have (on average 40.75) internal successors, (163), 3 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:10,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:38:10,852 INFO L93 Difference]: Finished difference Result 990 states and 1340 transitions. [2022-07-20 23:38:10,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 23:38:10,853 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.75) internal successors, (163), 3 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2022-07-20 23:38:10,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:38:10,855 INFO L225 Difference]: With dead ends: 990 [2022-07-20 23:38:10,855 INFO L226 Difference]: Without dead ends: 571 [2022-07-20 23:38:10,856 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 23:38:10,857 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 90 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-20 23:38:10,857 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 92 Invalid, 575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-20 23:38:10,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2022-07-20 23:38:10,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 560. [2022-07-20 23:38:10,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 560 states, 559 states have (on average 1.3148479427549196) internal successors, (735), 559 states have internal predecessors, (735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:10,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 735 transitions. [2022-07-20 23:38:10,868 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 735 transitions. Word has length 163 [2022-07-20 23:38:10,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:38:10,869 INFO L495 AbstractCegarLoop]: Abstraction has 560 states and 735 transitions. [2022-07-20 23:38:10,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.75) internal successors, (163), 3 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:10,869 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 735 transitions. [2022-07-20 23:38:10,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-07-20 23:38:10,871 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:38:10,872 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:38:10,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-20 23:38:10,872 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:38:10,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:38:10,873 INFO L85 PathProgramCache]: Analyzing trace with hash -1696390515, now seen corresponding path program 1 times [2022-07-20 23:38:10,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:38:10,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675112538] [2022-07-20 23:38:10,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:38:10,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:38:10,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:38:10,959 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 23:38:10,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:38:10,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675112538] [2022-07-20 23:38:10,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675112538] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:38:10,960 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:38:10,960 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 23:38:10,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337758963] [2022-07-20 23:38:10,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:38:10,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:38:10,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:38:10,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:38:10,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:38:10,962 INFO L87 Difference]: Start difference. First operand 560 states and 735 transitions. Second operand has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:11,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:38:11,427 INFO L93 Difference]: Finished difference Result 1257 states and 1753 transitions. [2022-07-20 23:38:11,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:38:11,428 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 189 [2022-07-20 23:38:11,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:38:11,431 INFO L225 Difference]: With dead ends: 1257 [2022-07-20 23:38:11,431 INFO L226 Difference]: Without dead ends: 838 [2022-07-20 23:38:11,432 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:38:11,432 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 87 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-20 23:38:11,433 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 19 Invalid, 456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-20 23:38:11,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2022-07-20 23:38:11,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 838. [2022-07-20 23:38:11,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 838 states, 837 states have (on average 1.3667861409796893) internal successors, (1144), 837 states have internal predecessors, (1144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:11,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1144 transitions. [2022-07-20 23:38:11,449 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1144 transitions. Word has length 189 [2022-07-20 23:38:11,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:38:11,450 INFO L495 AbstractCegarLoop]: Abstraction has 838 states and 1144 transitions. [2022-07-20 23:38:11,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:11,450 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1144 transitions. [2022-07-20 23:38:11,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-07-20 23:38:11,452 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:38:11,453 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:38:11,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-20 23:38:11,453 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:38:11,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:38:11,454 INFO L85 PathProgramCache]: Analyzing trace with hash 1442132149, now seen corresponding path program 1 times [2022-07-20 23:38:11,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:38:11,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441652597] [2022-07-20 23:38:11,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:38:11,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:38:11,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:38:11,543 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 23:38:11,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:38:11,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441652597] [2022-07-20 23:38:11,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441652597] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:38:11,544 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:38:11,544 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 23:38:11,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820519379] [2022-07-20 23:38:11,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:38:11,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:38:11,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:38:11,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:38:11,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:38:11,545 INFO L87 Difference]: Start difference. First operand 838 states and 1144 transitions. Second operand has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:11,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:38:11,940 INFO L93 Difference]: Finished difference Result 1813 states and 2551 transitions. [2022-07-20 23:38:11,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:38:11,940 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 205 [2022-07-20 23:38:11,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:38:11,944 INFO L225 Difference]: With dead ends: 1813 [2022-07-20 23:38:11,944 INFO L226 Difference]: Without dead ends: 1116 [2022-07-20 23:38:11,945 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:38:11,947 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 52 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-20 23:38:11,947 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 213 Invalid, 415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-20 23:38:11,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2022-07-20 23:38:11,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1116. [2022-07-20 23:38:11,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1116 states, 1115 states have (on average 1.294170403587444) internal successors, (1443), 1115 states have internal predecessors, (1443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:11,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1443 transitions. [2022-07-20 23:38:11,967 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1443 transitions. Word has length 205 [2022-07-20 23:38:11,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:38:11,967 INFO L495 AbstractCegarLoop]: Abstraction has 1116 states and 1443 transitions. [2022-07-20 23:38:11,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:11,968 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1443 transitions. [2022-07-20 23:38:11,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2022-07-20 23:38:11,970 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:38:11,970 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:38:11,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-20 23:38:11,973 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:38:11,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:38:11,974 INFO L85 PathProgramCache]: Analyzing trace with hash 750624585, now seen corresponding path program 1 times [2022-07-20 23:38:11,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:38:11,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233893718] [2022-07-20 23:38:11,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:38:11,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:38:12,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:38:12,202 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 23:38:12,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:38:12,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233893718] [2022-07-20 23:38:12,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233893718] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:38:12,203 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:38:12,204 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 23:38:12,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021668585] [2022-07-20 23:38:12,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:38:12,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 23:38:12,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:38:12,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 23:38:12,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-07-20 23:38:12,206 INFO L87 Difference]: Start difference. First operand 1116 states and 1443 transitions. Second operand has 7 states, 7 states have (on average 30.571428571428573) internal successors, (214), 6 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:12,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:38:12,683 INFO L93 Difference]: Finished difference Result 2146 states and 2795 transitions. [2022-07-20 23:38:12,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 23:38:12,683 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 30.571428571428573) internal successors, (214), 6 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 214 [2022-07-20 23:38:12,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:38:12,687 INFO L225 Difference]: With dead ends: 2146 [2022-07-20 23:38:12,688 INFO L226 Difference]: Without dead ends: 1116 [2022-07-20 23:38:12,689 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-07-20 23:38:12,691 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 198 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 734 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 734 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-20 23:38:12,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 22 Invalid, 734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 734 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-20 23:38:12,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2022-07-20 23:38:12,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1116. [2022-07-20 23:38:12,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1116 states, 1115 states have (on average 1.2887892376681613) internal successors, (1437), 1115 states have internal predecessors, (1437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:12,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1437 transitions. [2022-07-20 23:38:12,717 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1437 transitions. Word has length 214 [2022-07-20 23:38:12,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:38:12,718 INFO L495 AbstractCegarLoop]: Abstraction has 1116 states and 1437 transitions. [2022-07-20 23:38:12,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 30.571428571428573) internal successors, (214), 6 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:12,718 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1437 transitions. [2022-07-20 23:38:12,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-07-20 23:38:12,721 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:38:12,721 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:38:12,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-20 23:38:12,722 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:38:12,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:38:12,723 INFO L85 PathProgramCache]: Analyzing trace with hash -1356824989, now seen corresponding path program 1 times [2022-07-20 23:38:12,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:38:12,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654366165] [2022-07-20 23:38:12,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:38:12,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:38:12,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:38:12,871 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 23:38:12,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:38:12,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654366165] [2022-07-20 23:38:12,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654366165] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:38:12,872 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:38:12,872 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 23:38:12,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396537100] [2022-07-20 23:38:12,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:38:12,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:38:12,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:38:12,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:38:12,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:38:12,875 INFO L87 Difference]: Start difference. First operand 1116 states and 1437 transitions. Second operand has 3 states, 3 states have (on average 83.33333333333333) internal successors, (250), 3 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:13,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:38:13,291 INFO L93 Difference]: Finished difference Result 2369 states and 3136 transitions. [2022-07-20 23:38:13,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:38:13,292 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 83.33333333333333) internal successors, (250), 3 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 250 [2022-07-20 23:38:13,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:38:13,296 INFO L225 Difference]: With dead ends: 2369 [2022-07-20 23:38:13,296 INFO L226 Difference]: Without dead ends: 1394 [2022-07-20 23:38:13,298 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:38:13,300 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 73 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-20 23:38:13,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 15 Invalid, 450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 349 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-20 23:38:13,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1394 states. [2022-07-20 23:38:13,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1394 to 1394. [2022-07-20 23:38:13,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1394 states, 1393 states have (on average 1.3094041636755205) internal successors, (1824), 1393 states have internal predecessors, (1824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:13,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1394 states and 1824 transitions. [2022-07-20 23:38:13,335 INFO L78 Accepts]: Start accepts. Automaton has 1394 states and 1824 transitions. Word has length 250 [2022-07-20 23:38:13,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:38:13,336 INFO L495 AbstractCegarLoop]: Abstraction has 1394 states and 1824 transitions. [2022-07-20 23:38:13,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 83.33333333333333) internal successors, (250), 3 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:13,336 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 1824 transitions. [2022-07-20 23:38:13,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2022-07-20 23:38:13,340 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:38:13,340 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:38:13,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-20 23:38:13,341 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:38:13,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:38:13,342 INFO L85 PathProgramCache]: Analyzing trace with hash 1050885107, now seen corresponding path program 1 times [2022-07-20 23:38:13,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:38:13,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185703381] [2022-07-20 23:38:13,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:38:13,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:38:13,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:38:13,595 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 167 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 23:38:13,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:38:13,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185703381] [2022-07-20 23:38:13,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185703381] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 23:38:13,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [178054432] [2022-07-20 23:38:13,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:38:13,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 23:38:13,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 23:38:13,603 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 23:38:13,611 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-20 23:38:13,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:38:13,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 23:38:13,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 23:38:13,849 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2022-07-20 23:38:13,850 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 23:38:13,850 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [178054432] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:38:13,850 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 23:38:13,850 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2022-07-20 23:38:13,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208163893] [2022-07-20 23:38:13,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:38:13,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:38:13,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:38:13,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:38:13,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-07-20 23:38:13,868 INFO L87 Difference]: Start difference. First operand 1394 states and 1824 transitions. Second operand has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:14,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:38:14,304 INFO L93 Difference]: Finished difference Result 2647 states and 3503 transitions. [2022-07-20 23:38:14,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:38:14,307 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 271 [2022-07-20 23:38:14,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:38:14,312 INFO L225 Difference]: With dead ends: 2647 [2022-07-20 23:38:14,312 INFO L226 Difference]: Without dead ends: 1394 [2022-07-20 23:38:14,314 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 270 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-07-20 23:38:14,314 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 102 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-20 23:38:14,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 210 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 360 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-20 23:38:14,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1394 states. [2022-07-20 23:38:14,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1394 to 1116. [2022-07-20 23:38:14,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1116 states, 1115 states have (on average 1.1775784753363228) internal successors, (1313), 1115 states have internal predecessors, (1313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:14,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1313 transitions. [2022-07-20 23:38:14,334 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1313 transitions. Word has length 271 [2022-07-20 23:38:14,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:38:14,335 INFO L495 AbstractCegarLoop]: Abstraction has 1116 states and 1313 transitions. [2022-07-20 23:38:14,335 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:14,335 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1313 transitions. [2022-07-20 23:38:14,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2022-07-20 23:38:14,339 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:38:14,339 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:38:14,369 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-20 23:38:14,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-07-20 23:38:14,556 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:38:14,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:38:14,556 INFO L85 PathProgramCache]: Analyzing trace with hash -1723990694, now seen corresponding path program 1 times [2022-07-20 23:38:14,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:38:14,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709278315] [2022-07-20 23:38:14,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:38:14,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:38:14,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:38:14,708 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 100 proven. 95 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 23:38:14,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:38:14,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709278315] [2022-07-20 23:38:14,709 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709278315] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 23:38:14,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2104914083] [2022-07-20 23:38:14,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:38:14,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 23:38:14,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 23:38:14,711 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 23:38:14,712 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-20 23:38:14,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:38:14,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 23:38:14,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 23:38:15,100 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2022-07-20 23:38:15,100 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 23:38:15,100 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2104914083] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:38:15,100 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 23:38:15,101 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-07-20 23:38:15,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214955936] [2022-07-20 23:38:15,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:38:15,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:38:15,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:38:15,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:38:15,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-07-20 23:38:15,102 INFO L87 Difference]: Start difference. First operand 1116 states and 1313 transitions. Second operand has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 2 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:15,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:38:15,579 INFO L93 Difference]: Finished difference Result 2369 states and 2837 transitions. [2022-07-20 23:38:15,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:38:15,580 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 2 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 272 [2022-07-20 23:38:15,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:38:15,584 INFO L225 Difference]: With dead ends: 2369 [2022-07-20 23:38:15,585 INFO L226 Difference]: Without dead ends: 1394 [2022-07-20 23:38:15,586 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-07-20 23:38:15,587 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 60 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 333 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-20 23:38:15,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 34 Invalid, 414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 333 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-20 23:38:15,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1394 states. [2022-07-20 23:38:15,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1394 to 1394. [2022-07-20 23:38:15,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1394 states, 1393 states have (on average 1.1550610193826274) internal successors, (1609), 1393 states have internal predecessors, (1609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:15,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1394 states and 1609 transitions. [2022-07-20 23:38:15,611 INFO L78 Accepts]: Start accepts. Automaton has 1394 states and 1609 transitions. Word has length 272 [2022-07-20 23:38:15,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:38:15,611 INFO L495 AbstractCegarLoop]: Abstraction has 1394 states and 1609 transitions. [2022-07-20 23:38:15,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 2 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:15,611 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 1609 transitions. [2022-07-20 23:38:15,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2022-07-20 23:38:15,616 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:38:15,616 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:38:15,642 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-20 23:38:15,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-07-20 23:38:15,838 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:38:15,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:38:15,839 INFO L85 PathProgramCache]: Analyzing trace with hash -1302119436, now seen corresponding path program 1 times [2022-07-20 23:38:15,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:38:15,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575877317] [2022-07-20 23:38:15,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:38:15,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:38:15,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:38:15,952 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2022-07-20 23:38:15,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:38:15,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575877317] [2022-07-20 23:38:15,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575877317] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:38:15,953 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:38:15,953 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 23:38:15,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055826739] [2022-07-20 23:38:15,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:38:15,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:38:15,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:38:15,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:38:15,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:38:15,955 INFO L87 Difference]: Start difference. First operand 1394 states and 1609 transitions. Second operand has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:16,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:38:16,359 INFO L93 Difference]: Finished difference Result 1811 states and 2070 transitions. [2022-07-20 23:38:16,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:38:16,361 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 317 [2022-07-20 23:38:16,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:38:16,362 INFO L225 Difference]: With dead ends: 1811 [2022-07-20 23:38:16,362 INFO L226 Difference]: Without dead ends: 0 [2022-07-20 23:38:16,364 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:38:16,364 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 139 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-20 23:38:16,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 8 Invalid, 411 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 349 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-20 23:38:16,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-20 23:38:16,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-20 23:38:16,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:16,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-20 23:38:16,365 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 317 [2022-07-20 23:38:16,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:38:16,365 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-20 23:38:16,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:38:16,365 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-20 23:38:16,365 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-20 23:38:16,368 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-20 23:38:16,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-20 23:38:16,369 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-20 23:38:16,630 INFO L899 garLoopResultBuilder]: For program point L597(line 597) no Hoare annotation was computed. [2022-07-20 23:38:16,630 INFO L899 garLoopResultBuilder]: For program point L564(lines 564 582) no Hoare annotation was computed. [2022-07-20 23:38:16,631 INFO L899 garLoopResultBuilder]: For program point L333(lines 333 582) no Hoare annotation was computed. [2022-07-20 23:38:16,631 INFO L899 garLoopResultBuilder]: For program point L367(lines 367 582) no Hoare annotation was computed. [2022-07-20 23:38:16,631 INFO L899 garLoopResultBuilder]: For program point L301(lines 301 582) no Hoare annotation was computed. [2022-07-20 23:38:16,631 INFO L899 garLoopResultBuilder]: For program point L235(lines 235 582) no Hoare annotation was computed. [2022-07-20 23:38:16,631 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:16,631 INFO L899 garLoopResultBuilder]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:16,631 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:16,631 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:16,631 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:16,631 INFO L899 garLoopResultBuilder]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:16,631 INFO L899 garLoopResultBuilder]: For program point L533(lines 533 582) no Hoare annotation was computed. [2022-07-20 23:38:16,631 INFO L899 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2022-07-20 23:38:16,631 INFO L899 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2022-07-20 23:38:16,631 INFO L899 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2022-07-20 23:38:16,631 INFO L899 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2022-07-20 23:38:16,631 INFO L899 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2022-07-20 23:38:16,632 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2022-07-20 23:38:16,632 INFO L899 garLoopResultBuilder]: For program point L567(lines 567 582) no Hoare annotation was computed. [2022-07-20 23:38:16,632 INFO L899 garLoopResultBuilder]: For program point L435(lines 435 582) no Hoare annotation was computed. [2022-07-20 23:38:16,632 INFO L899 garLoopResultBuilder]: For program point L336(lines 336 582) no Hoare annotation was computed. [2022-07-20 23:38:16,632 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 582) no Hoare annotation was computed. [2022-07-20 23:38:16,632 INFO L899 garLoopResultBuilder]: For program point L403(lines 403 582) no Hoare annotation was computed. [2022-07-20 23:38:16,632 INFO L899 garLoopResultBuilder]: For program point L370(lines 370 582) no Hoare annotation was computed. [2022-07-20 23:38:16,632 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:16,632 INFO L899 garLoopResultBuilder]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:16,632 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:16,632 INFO L899 garLoopResultBuilder]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:16,632 INFO L899 garLoopResultBuilder]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:16,632 INFO L899 garLoopResultBuilder]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:16,632 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 582) no Hoare annotation was computed. [2022-07-20 23:38:16,632 INFO L899 garLoopResultBuilder]: For program point L503(lines 503 582) no Hoare annotation was computed. [2022-07-20 23:38:16,632 INFO L899 garLoopResultBuilder]: For program point L470(lines 470 582) no Hoare annotation was computed. [2022-07-20 23:38:16,632 INFO L899 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2022-07-20 23:38:16,633 INFO L899 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2022-07-20 23:38:16,633 INFO L899 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2022-07-20 23:38:16,633 INFO L899 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2022-07-20 23:38:16,633 INFO L899 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2022-07-20 23:38:16,633 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2022-07-20 23:38:16,633 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 582) no Hoare annotation was computed. [2022-07-20 23:38:16,633 INFO L899 garLoopResultBuilder]: For program point L306(lines 306 582) no Hoare annotation was computed. [2022-07-20 23:38:16,633 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 582) no Hoare annotation was computed. [2022-07-20 23:38:16,633 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:16,633 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:16,633 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:16,633 INFO L899 garLoopResultBuilder]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:16,633 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:16,633 INFO L899 garLoopResultBuilder]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:16,633 INFO L899 garLoopResultBuilder]: For program point L539(lines 539 582) no Hoare annotation was computed. [2022-07-20 23:38:16,633 INFO L899 garLoopResultBuilder]: For program point L440(lines 440 582) no Hoare annotation was computed. [2022-07-20 23:38:16,633 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 582) no Hoare annotation was computed. [2022-07-20 23:38:16,633 INFO L899 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2022-07-20 23:38:16,634 INFO L899 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2022-07-20 23:38:16,634 INFO L899 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2022-07-20 23:38:16,634 INFO L899 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2022-07-20 23:38:16,634 INFO L899 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2022-07-20 23:38:16,634 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2022-07-20 23:38:16,634 INFO L899 garLoopResultBuilder]: For program point L573(lines 573 582) no Hoare annotation was computed. [2022-07-20 23:38:16,634 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 582) no Hoare annotation was computed. [2022-07-20 23:38:16,634 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 582) no Hoare annotation was computed. [2022-07-20 23:38:16,634 INFO L899 garLoopResultBuilder]: For program point L475(lines 475 582) no Hoare annotation was computed. [2022-07-20 23:38:16,634 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:16,634 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:16,634 INFO L899 garLoopResultBuilder]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:16,634 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:16,634 INFO L899 garLoopResultBuilder]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:16,634 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:16,634 INFO L899 garLoopResultBuilder]: For program point L509(lines 509 582) no Hoare annotation was computed. [2022-07-20 23:38:16,634 INFO L899 garLoopResultBuilder]: For program point L311(lines 311 582) no Hoare annotation was computed. [2022-07-20 23:38:16,635 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2022-07-20 23:38:16,635 INFO L899 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2022-07-20 23:38:16,635 INFO L899 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2022-07-20 23:38:16,635 INFO L899 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2022-07-20 23:38:16,635 INFO L899 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2022-07-20 23:38:16,635 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2022-07-20 23:38:16,635 INFO L899 garLoopResultBuilder]: For program point L345(lines 345 582) no Hoare annotation was computed. [2022-07-20 23:38:16,635 INFO L899 garLoopResultBuilder]: For program point L246(lines 246 582) no Hoare annotation was computed. [2022-07-20 23:38:16,635 INFO L899 garLoopResultBuilder]: For program point L544(lines 544 582) no Hoare annotation was computed. [2022-07-20 23:38:16,635 INFO L899 garLoopResultBuilder]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:16,635 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:16,635 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:16,635 INFO L899 garLoopResultBuilder]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:16,635 INFO L899 garLoopResultBuilder]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:16,635 INFO L899 garLoopResultBuilder]: For program point L446(lines 446 582) no Hoare annotation was computed. [2022-07-20 23:38:16,635 INFO L899 garLoopResultBuilder]: For program point L413(lines 413 582) no Hoare annotation was computed. [2022-07-20 23:38:16,635 INFO L899 garLoopResultBuilder]: For program point L380(lines 380 582) no Hoare annotation was computed. [2022-07-20 23:38:16,636 INFO L899 garLoopResultBuilder]: For program point L281(lines 281 582) no Hoare annotation was computed. [2022-07-20 23:38:16,636 INFO L899 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2022-07-20 23:38:16,636 INFO L899 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2022-07-20 23:38:16,636 INFO L899 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2022-07-20 23:38:16,636 INFO L899 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2022-07-20 23:38:16,636 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2022-07-20 23:38:16,636 INFO L899 garLoopResultBuilder]: For program point L579(lines 579 582) no Hoare annotation was computed. [2022-07-20 23:38:16,636 INFO L899 garLoopResultBuilder]: For program point L249(lines 249 582) no Hoare annotation was computed. [2022-07-20 23:38:16,636 INFO L899 garLoopResultBuilder]: For program point L514(lines 514 582) no Hoare annotation was computed. [2022-07-20 23:38:16,636 INFO L899 garLoopResultBuilder]: For program point L481(lines 481 582) no Hoare annotation was computed. [2022-07-20 23:38:16,636 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 582) no Hoare annotation was computed. [2022-07-20 23:38:16,636 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:16,636 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:16,636 INFO L899 garLoopResultBuilder]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:16,636 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:16,636 INFO L899 garLoopResultBuilder]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:16,636 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 582) no Hoare annotation was computed. [2022-07-20 23:38:16,637 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-20 23:38:16,637 INFO L899 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2022-07-20 23:38:16,637 INFO L899 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2022-07-20 23:38:16,637 INFO L899 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2022-07-20 23:38:16,637 INFO L899 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2022-07-20 23:38:16,637 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2022-07-20 23:38:16,637 INFO L895 garLoopResultBuilder]: At program point L583(lines 30 584) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and (= ~a10~0 0) .cse0 .cse1) (and (<= 7 ~a19~0) (not (= ~a10~0 4)) .cse0 .cse1 (not (= ~a10~0 3))) (and (<= ~a19~0 9) .cse0 .cse1 (<= 3 ~a10~0)))) [2022-07-20 23:38:16,637 INFO L899 garLoopResultBuilder]: For program point L550(lines 550 582) no Hoare annotation was computed. [2022-07-20 23:38:16,637 INFO L899 garLoopResultBuilder]: For program point L418(lines 418 582) no Hoare annotation was computed. [2022-07-20 23:38:16,637 INFO L899 garLoopResultBuilder]: For program point L385(lines 385 582) no Hoare annotation was computed. [2022-07-20 23:38:16,637 INFO L899 garLoopResultBuilder]: For program point L220(lines 220 582) no Hoare annotation was computed. [2022-07-20 23:38:16,637 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:16,637 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:16,638 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:16,638 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:16,638 INFO L899 garLoopResultBuilder]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:16,638 INFO L899 garLoopResultBuilder]: For program point L452(lines 452 582) no Hoare annotation was computed. [2022-07-20 23:38:16,638 INFO L899 garLoopResultBuilder]: For program point L287(lines 287 582) no Hoare annotation was computed. [2022-07-20 23:38:16,638 INFO L899 garLoopResultBuilder]: For program point L254(lines 254 582) no Hoare annotation was computed. [2022-07-20 23:38:16,638 INFO L899 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2022-07-20 23:38:16,638 INFO L899 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2022-07-20 23:38:16,638 INFO L899 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2022-07-20 23:38:16,638 INFO L899 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2022-07-20 23:38:16,638 INFO L899 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2022-07-20 23:38:16,638 INFO L899 garLoopResultBuilder]: For program point L519(lines 519 582) no Hoare annotation was computed. [2022-07-20 23:38:16,638 INFO L899 garLoopResultBuilder]: For program point L486(lines 486 582) no Hoare annotation was computed. [2022-07-20 23:38:16,638 INFO L902 garLoopResultBuilder]: At program point L586(lines 586 602) the Hoare annotation is: true [2022-07-20 23:38:16,638 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 582) no Hoare annotation was computed. [2022-07-20 23:38:16,638 INFO L899 garLoopResultBuilder]: For program point L355(lines 355 582) no Hoare annotation was computed. [2022-07-20 23:38:16,638 INFO L899 garLoopResultBuilder]: For program point L322(lines 322 582) no Hoare annotation was computed. [2022-07-20 23:38:16,639 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-20 23:38:16,639 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:16,639 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:16,639 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:16,639 INFO L899 garLoopResultBuilder]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:16,639 INFO L899 garLoopResultBuilder]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:16,643 INFO L899 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2022-07-20 23:38:16,644 INFO L899 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2022-07-20 23:38:16,644 INFO L899 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2022-07-20 23:38:16,644 INFO L899 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2022-07-20 23:38:16,644 INFO L899 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2022-07-20 23:38:16,644 INFO L899 garLoopResultBuilder]: For program point L555(lines 555 582) no Hoare annotation was computed. [2022-07-20 23:38:16,644 INFO L899 garLoopResultBuilder]: For program point L225(lines 225 582) no Hoare annotation was computed. [2022-07-20 23:38:16,644 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 582) no Hoare annotation was computed. [2022-07-20 23:38:16,645 INFO L899 garLoopResultBuilder]: For program point L259(lines 259 582) no Hoare annotation was computed. [2022-07-20 23:38:16,645 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:16,645 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:16,645 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:16,645 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:16,645 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-20 23:38:16,645 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:16,645 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 582) no Hoare annotation was computed. [2022-07-20 23:38:16,646 INFO L899 garLoopResultBuilder]: For program point L491(lines 491 582) no Hoare annotation was computed. [2022-07-20 23:38:16,646 INFO L899 garLoopResultBuilder]: For program point L458(lines 458 582) no Hoare annotation was computed. [2022-07-20 23:38:16,646 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 582) no Hoare annotation was computed. [2022-07-20 23:38:16,646 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2022-07-20 23:38:16,646 INFO L899 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2022-07-20 23:38:16,646 INFO L899 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2022-07-20 23:38:16,646 INFO L899 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2022-07-20 23:38:16,646 INFO L899 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2022-07-20 23:38:16,647 INFO L899 garLoopResultBuilder]: For program point L558(lines 558 582) no Hoare annotation was computed. [2022-07-20 23:38:16,647 INFO L899 garLoopResultBuilder]: For program point L393(lines 393 582) no Hoare annotation was computed. [2022-07-20 23:38:16,647 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 582) no Hoare annotation was computed. [2022-07-20 23:38:16,647 INFO L895 garLoopResultBuilder]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and (= ~a10~0 0) .cse0 .cse1) (and (<= 7 ~a19~0) (not (= ~a10~0 4)) .cse0 .cse1 (not (= ~a10~0 3))) (and (<= ~a19~0 9) .cse0 .cse1 (<= 3 ~a10~0)))) [2022-07-20 23:38:16,647 INFO L899 garLoopResultBuilder]: For program point L361(lines 361 582) no Hoare annotation was computed. [2022-07-20 23:38:16,647 INFO L899 garLoopResultBuilder]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:16,647 INFO L899 garLoopResultBuilder]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:16,648 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:16,648 INFO L899 garLoopResultBuilder]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:16,648 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 33) no Hoare annotation was computed. [2022-07-20 23:38:16,648 INFO L899 garLoopResultBuilder]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:16,648 INFO L899 garLoopResultBuilder]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:16,648 INFO L899 garLoopResultBuilder]: For program point L527(lines 527 582) no Hoare annotation was computed. [2022-07-20 23:38:16,648 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 582) no Hoare annotation was computed. [2022-07-20 23:38:16,648 INFO L899 garLoopResultBuilder]: For program point L230(lines 230 582) no Hoare annotation was computed. [2022-07-20 23:38:16,649 INFO L899 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2022-07-20 23:38:16,649 INFO L899 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2022-07-20 23:38:16,649 INFO L899 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2022-07-20 23:38:16,649 INFO L899 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2022-07-20 23:38:16,649 INFO L899 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2022-07-20 23:38:16,649 INFO L899 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2022-07-20 23:38:16,649 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-20 23:38:16,650 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 149) no Hoare annotation was computed. [2022-07-20 23:38:16,650 INFO L899 garLoopResultBuilder]: For program point L429(lines 429 582) no Hoare annotation was computed. [2022-07-20 23:38:16,650 INFO L899 garLoopResultBuilder]: For program point L330(lines 330 582) no Hoare annotation was computed. [2022-07-20 23:38:16,650 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 582) no Hoare annotation was computed. [2022-07-20 23:38:16,650 INFO L899 garLoopResultBuilder]: For program point L364(lines 364 582) no Hoare annotation was computed. [2022-07-20 23:38:16,650 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:16,650 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:16,650 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:16,651 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:16,651 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:16,651 INFO L899 garLoopResultBuilder]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2022-07-20 23:38:16,651 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 582) no Hoare annotation was computed. [2022-07-20 23:38:16,651 INFO L899 garLoopResultBuilder]: For program point L464(lines 464 582) no Hoare annotation was computed. [2022-07-20 23:38:16,651 INFO L899 garLoopResultBuilder]: For program point L398(lines 398 582) no Hoare annotation was computed. [2022-07-20 23:38:16,651 INFO L899 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2022-07-20 23:38:16,651 INFO L899 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2022-07-20 23:38:16,652 INFO L899 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2022-07-20 23:38:16,652 INFO L899 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2022-07-20 23:38:16,652 INFO L899 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2022-07-20 23:38:16,652 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2022-07-20 23:38:16,655 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:38:16,656 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-20 23:38:16,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 11:38:16 BoogieIcfgContainer [2022-07-20 23:38:16,674 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-20 23:38:16,675 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-20 23:38:16,675 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-20 23:38:16,675 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-20 23:38:16,675 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 11:38:07" (3/4) ... [2022-07-20 23:38:16,678 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-20 23:38:16,697 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-20 23:38:16,698 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-20 23:38:16,699 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-20 23:38:16,699 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-20 23:38:16,790 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-20 23:38:16,791 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-20 23:38:16,791 INFO L158 Benchmark]: Toolchain (without parser) took 11270.24ms. Allocated memory was 56.6MB in the beginning and 161.5MB in the end (delta: 104.9MB). Free memory was 33.7MB in the beginning and 49.1MB in the end (delta: -15.4MB). Peak memory consumption was 87.6MB. Max. memory is 16.1GB. [2022-07-20 23:38:16,791 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 56.6MB. Free memory was 38.8MB in the beginning and 38.8MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-20 23:38:16,792 INFO L158 Benchmark]: CACSL2BoogieTranslator took 511.74ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 33.5MB in the beginning and 49.4MB in the end (delta: -15.8MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2022-07-20 23:38:16,792 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.32ms. Allocated memory is still 69.2MB. Free memory was 49.4MB in the beginning and 41.4MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-20 23:38:16,793 INFO L158 Benchmark]: Boogie Preprocessor took 78.42ms. Allocated memory is still 69.2MB. Free memory was 41.4MB in the beginning and 36.7MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-20 23:38:16,793 INFO L158 Benchmark]: RCFGBuilder took 1129.31ms. Allocated memory is still 69.2MB. Free memory was 36.4MB in the beginning and 26.7MB in the end (delta: 9.7MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2022-07-20 23:38:16,793 INFO L158 Benchmark]: TraceAbstraction took 9360.16ms. Allocated memory was 69.2MB in the beginning and 161.5MB in the end (delta: 92.3MB). Free memory was 26.1MB in the beginning and 58.6MB in the end (delta: -32.5MB). Peak memory consumption was 60.7MB. Max. memory is 16.1GB. [2022-07-20 23:38:16,794 INFO L158 Benchmark]: Witness Printer took 115.92ms. Allocated memory is still 161.5MB. Free memory was 58.6MB in the beginning and 49.1MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-20 23:38:16,799 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 56.6MB. Free memory was 38.8MB in the beginning and 38.8MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 511.74ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 33.5MB in the beginning and 49.4MB in the end (delta: -15.8MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.32ms. Allocated memory is still 69.2MB. Free memory was 49.4MB in the beginning and 41.4MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.42ms. Allocated memory is still 69.2MB. Free memory was 41.4MB in the beginning and 36.7MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1129.31ms. Allocated memory is still 69.2MB. Free memory was 36.4MB in the beginning and 26.7MB in the end (delta: 9.7MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * TraceAbstraction took 9360.16ms. Allocated memory was 69.2MB in the beginning and 161.5MB in the end (delta: 92.3MB). Free memory was 26.1MB in the beginning and 58.6MB in the end (delta: -32.5MB). Peak memory consumption was 60.7MB. Max. memory is 16.1GB. * Witness Printer took 115.92ms. Allocated memory is still 161.5MB. Free memory was 58.6MB in the beginning and 49.1MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 149]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 206 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.3s, OverallIterations: 12, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1207 SdHoareTripleChecker+Valid, 5.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1207 mSDsluCounter, 829 SdHoareTripleChecker+Invalid, 4.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 63 mSDsCounter, 894 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4848 IncrementalHoareTripleChecker+Invalid, 5742 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 894 mSolverCounterUnsat, 766 mSDtfsCounter, 4848 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 587 GetRequests, 560 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1394occurred in iteration=9, InterpolantAutomatonStates: 42, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 567 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 33 NumberOfFragments, 85 HoareAnnotationTreeSize, 3 FomulaSimplifications, 854 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 599 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 2842 NumberOfCodeBlocks, 2842 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 2828 ConstructedInterpolants, 0 QuantifiedInterpolants, 14439 SizeOfPredicates, 0 NumberOfNonLiveVariables, 770 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 1827/1950 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: (((a10 == 0 && 14 == a4) && a12 == 0) || ((((7 <= a19 && !(a10 == 4)) && 14 == a4) && a12 == 0) && !(a10 == 3))) || (((a19 <= 9 && 14 == a4) && a12 == 0) && 3 <= a10) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((a10 == 0 && 14 == a4) && a12 == 0) || ((((7 <= a19 && !(a10 == 4)) && 14 == a4) && a12 == 0) && !(a10 == 3))) || (((a19 <= 9 && 14 == a4) && a12 == 0) && 3 <= a10) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-07-20 23:38:16,833 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE